2021

7.7

1983

6.1

1991

6.2

1957

7.9

1987

7.8

2005

7.5

1982

6.4

2013

6.5

1969

7.6

1961

7.4

1985

6.7

2016

7.5

1949

7.7

2011

7.8

1990

6.0

2009

7.5

2008

6.6

2002

8.5

1987

6.5

1977

6.8